NetBSD lxde would also not utilize locale/pkg_path settings in .profile, they had to be in ~/.xinitrc or ~/.xsession.

Also another observation: NetBSD XFCE and LXDE ports were contributed by the same individual and he did not appear to get much support from the project. There have been no commits to LXDE since May 2016. XFCE was migrated to gtk3 about 10 months ago.